@import url("design-system/colors_and_type.css");

html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper-100); color: var(--ink-900); font-family: var(--font-sans); }

i[data-lucide] { width: 18px; height: 18px; }

/* ─── Layout ──────────────────────────────────────────────────────────── */

.site { min-height: 100vh; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}

.section { padding: 96px 0; border-top: 1px solid var(--ink-900); }
.section.first { border-top: none; padding-top: 56px; }
.section.dark { background: var(--tea-800); color: var(--paper-100); border-color: var(--tea-900); }

/* ─── Eyebrow ─────────────────────────────────────────────────────────── */

.eyebrow {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-600);
  display: inline-block;
  margin-bottom: 18px;
}
.section.dark .eyebrow { color: var(--paper-300); }

/* ─── Headings ────────────────────────────────────────────────────────── */

h1.display {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(40px, 4.4vw, 64px);
  line-height: 1.06;
  letter-spacing: -0.022em;
  margin: 0 0 32px;
  font-variation-settings: "opsz" 60;
  text-wrap: balance;
}
h1.display em { font-style: italic; color: var(--tea-700); }

h2.heading {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(34px, 4vw, 56px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
  font-variation-settings: "opsz" 48;
  text-wrap: balance;
}
.section.dark h2.heading { color: var(--paper-50); }

h3.sub {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 26px;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0 0 8px;
  font-variation-settings: "opsz" 24;
}

.lead {
  font-family: var(--font-serif);
  font-size: 22px;
  line-height: 1.4;
  color: var(--ink-700);
  font-variation-settings: "opsz" 18;
  font-style: italic;
  font-weight: 400;
  max-width: 38ch;
  text-wrap: pretty;
  margin: 24px 0 0;
}
.section.dark .lead { color: var(--paper-200); }

.body {
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink-800);
  max-width: 60ch;
  text-wrap: pretty;
  margin: 0;
}
.section.dark .body { color: var(--paper-200); }

/* ─── Buttons ─────────────────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  padding: 14px 22px;
  border-radius: 2px;
  border: 1px solid var(--ink-900);
  background: var(--ink-900);
  color: var(--paper-50);
  text-decoration: none;
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease-standard), color var(--dur-fast) var(--ease-standard), border-color var(--dur-fast) var(--ease-standard);
  line-height: 1;
  letter-spacing: 0.005em;
  white-space: nowrap;
  flex-shrink: 0;
}
.btn:hover { background: var(--tea-700); border-color: var(--tea-700); color: var(--paper-50); }
.btn:active { background: var(--tea-800); border-color: var(--tea-800); }

.btn.secondary { background: transparent; color: var(--ink-900); }
.btn.secondary:hover { background: var(--paper-200); color: var(--ink-900); border-color: var(--ink-900); }
.section.dark .btn.secondary { color: var(--paper-100); border-color: var(--paper-100); background: transparent; }
.section.dark .btn.secondary:hover { background: rgba(244, 236, 216, 0.08); color: var(--paper-50); }

/* ─── Nav ─────────────────────────────────────────────────────────────── */

.nav {
  border-bottom: 1px solid var(--ink-900);
  background: var(--paper-100);
  position: sticky;
  top: 0;
  z-index: 10;
}
.nav .container { display: flex; align-items: center; padding-top: 22px; padding-bottom: 22px; }
.nav .brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--ink-900);
  flex-shrink: 0;
}
.nav .brand-monogram {
  width: 30px;
  height: 30px;
  display: block;
  flex-shrink: 0;
}
.nav .wordmark {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 22px;
  letter-spacing: -0.01em;
  color: var(--ink-900);
  font-variation-settings: "opsz" 22;
  white-space: nowrap;
}
.nav .links { display: flex; gap: 22px; margin-left: 40px; flex-shrink: 0; }
.nav .links a {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-900);
  text-decoration: none;
  padding-bottom: 4px;
  border-bottom: 1px solid transparent;
  white-space: nowrap;
  transition: border-color var(--dur-fast) var(--ease-standard);
}
.nav .links a:hover { border-bottom-color: var(--ink-900); }
.nav .right {
  margin-left: auto;
  padding-left: 40px;
  display: flex;
  align-items: center;
  gap: 18px;
  flex-shrink: 0;
}
.nav .place {
  font-family: var(--font-serif);
  font-feature-settings: "smcp", "c2sc";
  letter-spacing: 0.08em;
  font-size: 13px;
  color: var(--ink-600);
  white-space: nowrap;
}

/* ─── Language toggle ────────────────────────────────────────────── */

.lang-toggle {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  font-family: var(--font-sans);
  font-size: 13px;
  letter-spacing: 0.04em;
  white-space: nowrap;
  flex-shrink: 0;
}
.lang-toggle .sep {
  color: var(--ink-400);
}
.lang-toggle .active {
  color: var(--ink-900);
  font-weight: 500;
}
.lang-toggle a {
  color: var(--ink-500);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-standard);
}
.lang-toggle a:hover { color: var(--ink-900); }

/* ─── Hero ────────────────────────────────────────────────────────────── */

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 56px;
  align-items: end;
}
.hero-aside {
  padding-left: 32px;
  border-left: 1px solid var(--ink-900);
}
.hero-aside .label {
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-500);
  margin-bottom: 6px;
}
.hero-aside .corridor {
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.01em;
  font-variation-settings: "opsz" 32;
}
.hero-aside .meta {
  margin-top: 20px;
  padding-top: 14px;
  border-top: 1px solid var(--stone-300);
  font-family: var(--font-sans);
  font-size: 12px;
  color: var(--ink-600);
  line-height: 1.6;
}
.meta-row { display: flex; flex-direction: column; gap: 2px; padding: 8px 0; border-bottom: 1px solid var(--stone-300); }
.meta-row:last-child { border-bottom: none; }
.meta-row .k {
  font-family: var(--font-serif);
  font-feature-settings: "smcp", "c2sc";
  letter-spacing: 0.08em;
  color: var(--ink-500);
  font-size: 11px;
}
.meta-row .v { color: var(--ink-900); font-size: 13px; }

.hero-cta { display: flex; gap: 12px; margin-top: 36px; }

/* ─── How it works ────────────────────────────────────────────────────── */

.howit-intro {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 64px;
  margin-bottom: 56px;
}
.howit-intro .body { font-size: 17px; align-self: end; }

.howit-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--ink-900);
}
.howit-step {
  padding: 28px 24px 32px 24px;
  border-bottom: 1px solid var(--stone-300);
  border-right: 1px solid var(--stone-300);
}
.howit-step:nth-child(3n) { border-right: none; padding-right: 0; }
.howit-step:nth-child(3n+1) { padding-left: 0; }
.howit-step:nth-last-child(-n+3) { border-bottom: none; }
.howit-step .n {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--clay-500);
  margin-bottom: 12px;
  letter-spacing: 0.04em;
}
.howit-step .body { font-size: 14px; margin-top: 10px; }

/* ─── Product line ────────────────────────────────────────────────────── */

.product-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 80px;
  align-items: start;
  margin-top: 8px;
}
.product-grid .body { font-size: 17px; margin-top: 18px; }

.origins {
  border-top: 1px solid var(--paper-300);
}
.origin-row {
  display: grid;
  grid-template-columns: 130px 1fr 1fr;
  gap: 18px;
  padding: 16px 0;
  border-bottom: 1px solid var(--paper-300);
  font-family: var(--font-sans);
  font-size: 13px;
  align-items: baseline;
}
.origin-row .o {
  font-family: var(--font-serif);
  font-feature-settings: "smcp", "c2sc";
  letter-spacing: 0.08em;
  color: var(--paper-300);
}
.origin-row .c { color: var(--paper-50); font-weight: 500; }
.origin-row .g {
  color: var(--paper-200);
  font-style: italic;
  font-family: var(--font-serif);
}

/* ─── Standards ───────────────────────────────────────────────────────── */

.split { display: grid; grid-template-columns: 1fr 2fr; gap: 64px; }
.standards-list {
  list-style: none;
  padding: 0;
  margin: 0;
  border-top: 1px solid var(--ink-900);
}
.standards-list li {
  display: grid;
  grid-template-columns: 48px 1fr;
  padding: 20px 0;
  border-bottom: 1px solid var(--stone-300);
  align-items: baseline;
}
.standards-list .sym {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--clay-500);
}
.standards-list .t {
  font-family: var(--font-serif);
  font-size: 19px;
  line-height: 1.45;
  color: var(--ink-900);
  font-variation-settings: "opsz" 18;
}

/* ─── Form ────────────────────────────────────────────────────────────── */

.contact-form {
  display: grid;
  gap: 20px;
  border-top: 1px solid var(--ink-900);
  padding-top: 32px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field-label {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 500;
  color: var(--ink-700);
  letter-spacing: 0.04em;
}
.field-label .req { color: var(--clay-500); }
.field input,
.field textarea,
.field select {
  font-family: var(--font-sans);
  font-size: 14px;
  padding: 10px 12px;
  background: var(--paper-50);
  border: 1px solid var(--ink-700);
  border-radius: 2px;
  color: var(--ink-900);
  outline: none;
  resize: vertical;
  width: 100%;
}
.field input:focus,
.field textarea:focus,
.field select:focus {
  outline: 2px solid var(--ink-900);
  outline-offset: 2px;
}

.form-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: 8px;
}
.form-footer .note {
  font-family: var(--font-sans);
  font-size: 11px;
  color: var(--ink-500);
  max-width: 60ch;
}

.form-error {
  font-family: var(--font-sans);
  font-size: 13px;
  line-height: 1.5;
  color: var(--signal-negative);
  padding: 12px 16px;
  background: var(--paper-50);
  border: 1px solid var(--signal-negative);
  border-radius: 2px;
}
.form-error a { color: var(--signal-negative); text-decoration: underline; }
.form-error a:hover { color: var(--signal-negative); text-decoration-thickness: 2px; }

/* Honeypot — visually hidden from humans, present in DOM for bots. */
.honeypot {
  position: absolute;
  left: -10000px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.rule-dim { height: 1px; background: var(--stone-300); margin: 32px 0; }
.mono { font-family: var(--font-mono); }

/* ─── Audience sections (For buyers / suppliers / banks) ──────────── */

.audience-list {
  list-style: none;
  padding: 0;
  margin: 0;
  border-top: 1px solid var(--ink-900);
}
.audience-list li {
  display: grid;
  grid-template-columns: 140px 1fr;
  padding: 18px 0;
  border-bottom: 1px solid var(--stone-300);
  align-items: baseline;
  gap: 24px;
}
.audience-list .k {
  font-family: var(--font-serif);
  font-feature-settings: "smcp", "c2sc";
  letter-spacing: 0.08em;
  color: var(--ink-500);
  font-size: 12px;
}
.audience-list .v {
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.55;
  color: var(--ink-900);
}
.audience-cta {
  display: flex;
  justify-content: flex-end;
  margin-top: 24px;
}

@media (max-width: 900px) {
  .audience-list li { grid-template-columns: 1fr; gap: 4px; padding: 14px 0; }
}

/* ─── Footer ──────────────────────────────────────────────────────────── */

footer.site-footer {
  background: var(--tea-800);
  color: var(--paper-200);
  padding-top: 64px;
  padding-bottom: 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--paper-300);
}
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: inherit;
  margin-bottom: 18px;
}
.footer-monogram {
  width: 44px;
  height: 44px;
  display: block;
  flex-shrink: 0;
}
.footer-mark {
  font-family: var(--font-serif);
  font-size: 28px;
  color: var(--paper-50);
  letter-spacing: -0.01em;
  font-variation-settings: "opsz" 28;
}
.footer-address {
  font-family: var(--font-sans);
  font-size: 13px;
  line-height: 1.6;
  color: var(--paper-200);
  margin: 0;
  max-width: 40ch;
}
.footer-col-title {
  font-family: var(--font-sans);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--paper-300);
  margin-bottom: 14px;
}
.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer-col li {
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--paper-100);
}
.footer-col li.mono {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  padding-top: 24px;
  font-family: var(--font-sans);
  font-size: 11px;
  color: var(--paper-300);
}
.footer-bottom .v { font-family: var(--font-mono); letter-spacing: 0.04em; }

/* ─── Responsive ──────────────────────────────────────────────────────── */

@media (max-width: 900px) {
  .container { padding: 0 24px; }
  .section { padding: 64px 0; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-aside { padding-left: 0; border-left: 0; border-top: 1px solid var(--ink-900); padding-top: 24px; }
  .howit-intro { grid-template-columns: 1fr; gap: 24px; }
  .howit-grid { grid-template-columns: 1fr; }
  .howit-step,
  .howit-step:nth-child(3n) { border-right: none; padding: 24px 0; }
  .howit-step:nth-child(3n+1) { padding-left: 0; }
  .howit-step:last-child { border-bottom: none; }
  .product-grid { grid-template-columns: 1fr; gap: 40px; }
  .origin-row { grid-template-columns: 1fr; gap: 4px; padding: 12px 0; }
  .split { grid-template-columns: 1fr; gap: 32px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .nav .container { flex-wrap: wrap; row-gap: 12px; }
  .nav .links { margin-left: 0; flex-wrap: wrap; }
  .nav .right .place { display: none; }
  .form-footer { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 8px; }
  .hero-cta { flex-direction: column; align-items: stretch; }
  .hero-cta .btn { justify-content: center; }
}